package File;

import com.sun.org.apache.bcel.internal.generic.IF_ACMPEQ;

import java.io.File;

public class MkDirDemo {
    public static void main(String[] args) {
        File dir = new File("./a/b/c/d/e/f");
        if (dir.exists()) {
            System.out.println("该目录已存在!");
        } else {
            dir.mkdirs();
            System.out.println("该目录已创建!");
        }
    }
}
